From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22051 invoked by alias); 30 Nov 2004 22:21:23 -0000 Mailing-List: contact libc-hacker-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-hacker-owner@sources.redhat.com Received: (qmail 22029 invoked from network); 30 Nov 2004 22:21:22 -0000 Received: from unknown (HELO gateway.sf.frob.com) (64.81.54.130) by sourceware.org with SMTP; 30 Nov 2004 22:21:22 -0000 Received: from magilla.sf.frob.com (magilla.sf.frob.com [198.49.250.228]) by gateway.sf.frob.com (Postfix) with ESMTP id 992A5357B; Tue, 30 Nov 2004 14:21:21 -0800 (PST) Received: from magilla.sf.frob.com (localhost.localdomain [127.0.0.1]) by magilla.sf.frob.com (8.12.11/8.12.9) with ESMTP id iAUMLLtg021059; Tue, 30 Nov 2004 14:21:21 -0800 Received: (from roland@localhost) by magilla.sf.frob.com (8.12.11/8.12.11/Submit) id iAUMLLe8021056; Tue, 30 Nov 2004 14:21:21 -0800 Date: Tue, 30 Nov 2004 22:21:00 -0000 Message-Id: <200411302221.iAUMLLe8021056@magilla.sf.frob.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Jakub Jelinek Cc: Steve Munroe , libc-hacker@sources.redhat.com, dgm69@us.ibm.com Subject: Re: Whats up with _POSIX_CPUTIME In-Reply-To: Jakub Jelinek's message of Tuesday, 30 November 2004 21:41:54 +0100 <20041130204154.GJ8259@sunsite.mff.cuni.cz> Emacs: because editing your files should be a traumatic experience. X-SW-Source: 2004-11/txt/msg00094.txt.bz2 > 3) defined to 0, then headers/functions/macros/etc. must be present, but the > option is not necessarily supported, so sysconf() should be used to > detect whether the option is supported at runtime This is the best plan, I think. It makes it most straightforward to introduce new support later and expect that previously compiled (conformant) applications will automatically start to use it.